.nav {
    width: 100%;
    height: 46px;
    background-color: #323232;
}

.nav .nav-center {
    width: 1108px;
    height: 46px;
    margin: auto;
    position: relative;
}

.nav-center .cy {
    width: 182px;
    height: 110px;
    background-color: #dd4012;
    position: absolute;
    top: 0;
    left: 0;
    text-align: center;
}

.nav-center .cy img {
    padding-top: 24px;
    padding-left: 10px;
    padding-bottom: 7px;
}

.nav-center .cy span {
    color: #ffac94;
    font-size: 14px;
}

.nav-center ul {
    position: absolute;
    left: 200px;
}

.nav-center ul li {
    width: 88px;
    height: 46px;
    font-size: 14px;
    color: #888888;
    cursor: pointer;
    float: left;
    line-height: 46px;
    text-align: center;
}

.nav-center ul li:hover {
    background-color: #dd4012;
    color: white;
}

.nav-center .talk {
    position: absolute;
    right: 0;
    top: 12px;
}

.nav-center .talk span {
    margin-left: 8px;
}

.nav-center .talk span:nth-of-type(2) {
    color: #888888;
}

.bg {
    width: 100%;
    height: 230px;
    background: url(img/bg.png) no-repeat;
    overflow: hidden;
}

.bg .opc {
    width: 100%;
    height: 30px;
    background: black;
    opacity: .3;
    margin-top: 200px;
}

.bg .opc .opc-center {
    height: 30px;
    width: 1108px;
    background: black;
    margin: auto;
}

.bg .opc .opc-center span {
    height: 30px;
    font-size: 14px;
    color: white;
    display: inline-block;
    line-height: 30px;
    cursor: pointer;
}

.center-bg {
    width: 100%;
    height: 3000px;
    background: #f0f1f1;
    overflow: hidden;
}

.center-bg .center-nav {
    width: 1116px;
    height: 35px;
    margin: auto;
    margin-top: 30px;
    position: relative;
}

.center-nav .first li {
    width: 100px;
    height: 35px;
    background: white;
    float: left;
    margin-right: 8px;
    text-align: center;
    line-height: 35px;
    font-size: 14px;
    cursor: pointer;
}

.center-nav .first .selected {
    color: whitesmoke;
    background: #636363;
}

.center-nav .first li:hover {
    color: whitesmoke;
    background: #636363;
}

.center-bg .center-nav .last {
    width: 1116px;
    height: 1085px;
    position: absolute;
    top: 65px;
}

.center-bg .center-nav .last li {
    width: 269px;
    height: 250px;
    background: white;
    margin-right: 10px;
    margin-bottom: 20px;
    float: left;
}

.center-nav .last li img {
    width: 269px;
    margin-bottom: 10px;
}

.center-nav .last li span {
    padding-left: 18px;
}

.center-nav .last li p {
    width: 268px;
    height: 48px;
    border-top: 1px solid #f3f0f0;
    font-size: 13px;
    color: #939292;
    padding-top: 5px;
    padding-left: 18px;
    margin-top: 10px;
}